<?php
/**
 * Class Minify_Controller_Files
 * @package Minify
 */

require_once 'Minify/Controller/Base.php';

/**
 * Controller class for minifying a set of files
 *
 * E.g. the following would serve the minified Javascript for a site
 * <code>
 * Minify::serve('Files', array(
 *     'files' => array(
 *         '//js/jquery.js'
 *         ,'//js/plugins.js'
 *         ,'/home/username/file.js'
 *     )
 * ));
 * </code>
 *
 * As a shortcut, the controller will replace "//" at the beginning
 * of a filename with $_SERVER['DOCUMENT_ROOT'] . '/'.
 *
 * @package Minify
 * @author Stephen Clay <steve@mrclay.org>
 */
class Minify_Controller_Files extends Minify_Controller_Base {

	/**
	 * Set up file sources
	 *
	 * @param array $options controller and Minify options
	 * @return array Minify options
	 *
	 * Controller options:
	 *
	 * 'files': (required) array of complete file paths, or a single path
	 */
	public function setupSources($options) {
		// strip controller options

		$files = $options['files'];
		// if $files is a single object, casting will break it
		if (is_object($files)) {
			$files = array($files);
		} elseif (! is_array($files)) {
			$files = (array)$files;
		}
		unset($options['files']);

		$sources = array();
		foreach ($files as $file) {
			if ($file instanceof Minify_Source) {
				$sources[] = $file;
				continue;
			}
			if (0 === strpos($file, '//')) {
				$file = $_SERVER['DOCUMENT_ROOT'] . substr($file, 1);
			}
			$realPath = realpath($file);
			if (is_file($realPath)) {
				$sources[] = new Minify_Source(array(
                    'filepath' => $realPath
				));
			} else {
				$this->log("The path \"{$file}\" could not be found (or was not a file)");
				return $options;
			}
		}
		if ($sources) {
			$this->sources = $sources;
		}
		return $options;
	}
}

